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minimal.yaml
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# Minimal config
# Extends the minimal preset
PRESET_BASE: 'minimal'
# Free-form short name of the network that this configuration applies to - known
# canonical network names include:
# * 'minimal' - spec-testing
# Must match the regex: [a-z0-9\-]
CONFIG_NAME: 'minimal'
# Transition
# ---------------------------------------------------------------
# 2**256-2**10 for testing minimal network
TERMINAL_TOTAL_DIFFICULTY: 115792089237316195423570985008687907853269984665640564039457584007913129638912
# By default, don't use these params
TERMINAL_BLOCK_HASH: 0x0000000000000000000000000000000000000000000000000000000000000000
TERMINAL_BLOCK_HASH_ACTIVATION_EPOCH: 18446744073709551615
# Genesis
# ---------------------------------------------------------------
# [customized] 2**6 (= 64)
MIN_GENESIS_ACTIVE_VALIDATOR_COUNT: 64
# Jan 3, 2020
MIN_GENESIS_TIME: 1578009600
# [customized]
GENESIS_FORK_VERSION: 0x00000001
# [customized] 5 * 60 (= 300) seconds
GENESIS_DELAY: 300
# Forking
# ---------------------------------------------------------------
# Values provided for illustrative purposes.
# Individual tests/testnets may set different values.
# [customized] Altair
ALTAIR_FORK_VERSION: 0x01000001
ALTAIR_FORK_EPOCH: 18446744073709551615
# [customized] Bellatrix
BELLATRIX_FORK_VERSION: 0x02000001
BELLATRIX_FORK_EPOCH: 18446744073709551615
# [customized] Capella
CAPELLA_FORK_VERSION: 0x03000001
CAPELLA_FORK_EPOCH: 18446744073709551615
# [customized] Deneb
DENEB_FORK_VERSION: 0x04000001
DENEB_FORK_EPOCH: 18446744073709551615
# [customized] Electra
ELECTRA_FORK_VERSION: 0x05000001
ELECTRA_FORK_EPOCH: 18446744073709551615
# [customized] Fulu
FULU_FORK_VERSION: 0x06000001
FULU_FORK_EPOCH: 18446744073709551615
# [customized] EIP7441
EIP7441_FORK_VERSION: 0x08000001
EIP7441_FORK_EPOCH: 18446744073709551615
# [customized] EIP7732
EIP7732_FORK_VERSION: 0x09000001
EIP7732_FORK_EPOCH: 18446744073709551615
# [customized] EIP7805
EIP7805_FORK_VERSION: 0x0a000001
EIP7805_FORK_EPOCH: 18446744073709551615
# Time parameters
# ---------------------------------------------------------------
# [customized] 6 seconds
SECONDS_PER_SLOT: 6
# 14 (estimate from Eth1 mainnet)
SECONDS_PER_ETH1_BLOCK: 14
# 2**8 (= 256) epochs, ~27 hours
MIN_VALIDATOR_WITHDRAWABILITY_DELAY: 256
# [customized] 2**6 (= 64) epochs, ~7 hours
SHARD_COMMITTEE_PERIOD: 64
# [customized] 2**4 (= 16) Eth1 blocks, ~4 minutes
ETH1_FOLLOW_DISTANCE: 16
# Validator cycle
# ---------------------------------------------------------------
# 2**2 (= 4)
INACTIVITY_SCORE_BIAS: 4
# 2**4 (= 16)
INACTIVITY_SCORE_RECOVERY_RATE: 16
# 2**4 * 10**9 (= 16,000,000,000) Gwei
EJECTION_BALANCE: 16000000000
# [customized] 2**1 (= 2) validators
MIN_PER_EPOCH_CHURN_LIMIT: 2
# [customized] 2**5 (= 32)
CHURN_LIMIT_QUOTIENT: 32
# [customized] [New in Deneb:EIP7514] 2**2 (= 4)
MAX_PER_EPOCH_ACTIVATION_CHURN_LIMIT: 4
# Fork choice
# ---------------------------------------------------------------
# 40%
PROPOSER_SCORE_BOOST: 40
# 20%
REORG_HEAD_WEIGHT_THRESHOLD: 20
# 160%
REORG_PARENT_WEIGHT_THRESHOLD: 160
# 2 epochs
REORG_MAX_EPOCHS_SINCE_FINALIZATION: 2
# Deposit contract
# ---------------------------------------------------------------
# Ethereum Goerli testnet
DEPOSIT_CHAIN_ID: 5
DEPOSIT_NETWORK_ID: 5
# Configured on a per testnet basis
DEPOSIT_CONTRACT_ADDRESS: 0x1234567890123456789012345678901234567890
# Networking
# ---------------------------------------------------------------
# `10 * 2**20` (= 10485760, 10 MiB)
MAX_PAYLOAD_SIZE: 10485760
# `2**10` (= 1024)
MAX_REQUEST_BLOCKS: 1024
# `2**8` (= 256)
EPOCHS_PER_SUBNET_SUBSCRIPTION: 256
# [customized] `MIN_VALIDATOR_WITHDRAWABILITY_DELAY + CHURN_LIMIT_QUOTIENT // 2` (= 272) epochs
MIN_EPOCHS_FOR_BLOCK_REQUESTS: 272
# 5s
TTFB_TIMEOUT: 5
# 10s
RESP_TIMEOUT: 10
ATTESTATION_PROPAGATION_SLOT_RANGE: 32
# 500ms
MAXIMUM_GOSSIP_CLOCK_DISPARITY: 500
MESSAGE_DOMAIN_INVALID_SNAPPY: 0x00000000
MESSAGE_DOMAIN_VALID_SNAPPY: 0x01000000
# 2 subnets per node
SUBNETS_PER_NODE: 2
# 2**8 (= 64)
ATTESTATION_SUBNET_COUNT: 64
# 0 bits
ATTESTATION_SUBNET_EXTRA_BITS: 0
# ceillog2(ATTESTATION_SUBNET_COUNT) + ATTESTATION_SUBNET_EXTRA_BITS
ATTESTATION_SUBNET_PREFIX_BITS: 6
# Deneb
# 2**7 (= 128) blocks
MAX_REQUEST_BLOCKS_DENEB: 128
# 2**12 (= 4096) epochs, ~18 days
MIN_EPOCHS_FOR_BLOB_SIDECARS_REQUESTS: 4096
# 6 subnets
BLOB_SIDECAR_SUBNET_COUNT: 6
## 6 blobs
MAX_BLOBS_PER_BLOCK: 6
# MAX_REQUEST_BLOCKS_DENEB * MAX_BLOBS_PER_BLOCK (= 128 * 6) sidecars
MAX_REQUEST_BLOB_SIDECARS: 768
# Electra
# [customized] 2**6 * 10**9 (= 64,000,000,000) Gwei
MIN_PER_EPOCH_CHURN_LIMIT_ELECTRA: 64000000000
# [customized] 2**7 * 10**9 (= 128,000,000,000) Gwei
MAX_PER_EPOCH_ACTIVATION_EXIT_CHURN_LIMIT: 128000000000
# 9 subnets
BLOB_SIDECAR_SUBNET_COUNT_ELECTRA: 9
# 9 blobs
MAX_BLOBS_PER_BLOCK_ELECTRA: 9
# MAX_REQUEST_BLOCKS_DENEB * MAX_BLOBS_PER_BLOCK_ELECTRA (= 128 * 9) sidecars
MAX_REQUEST_BLOB_SIDECARS_ELECTRA: 1152
# Fulu
NUMBER_OF_COLUMNS: 128
NUMBER_OF_CUSTODY_GROUPS: 128
DATA_COLUMN_SIDECAR_SUBNET_COUNT: 128
MAX_REQUEST_DATA_COLUMN_SIDECARS: 16384
SAMPLES_PER_SLOT: 8
CUSTODY_REQUIREMENT: 4
VALIDATOR_CUSTODY_REQUIREMENT: 8
BALANCE_PER_ADDITIONAL_CUSTODY_GROUP: 32000000000
MAX_BLOBS_PER_BLOCK_FULU: 12
MIN_EPOCHS_FOR_DATA_COLUMN_SIDECARS_REQUESTS: 4096
# EIP7441
EPOCHS_PER_SHUFFLING_PHASE: 4
PROPOSER_SELECTION_GAP: 1
# EIP7732
MAX_REQUEST_PAYLOADS: 128
# EIP7805
ATTESTATION_DEADLINE: 2
PROPOSER_INCLUSION_LIST_CUT_OFF: 5
VIEW_FREEZE_DEADLINE: 3
# 2**4 (= 16)
MAX_REQUEST_INCLUSION_LIST: 16
# 2**13 (= 8192)
MAX_BYTES_PER_INCLUSION_LIST: 8192